66 



THE NERVOUS SYSTEM 



the naso ciliary nerve eventually reaches the nasal fossa and 

 supplies branches to the mucous membrane of the septum and 

 lateral wall. Finally, it emerges on the face and is distributed 



Supra-orbital narve- 



Auriculo-teinporal nerve 



Zygomatico- temporal nerve 



Supra- trochlear nerve 



Lacrimal nerve 



Infra-trochlear nerve -/ 



Zygomatico-facial nerve - 5- 



Infra-orbital nerve 

 External nasal nerve 

 Buccinator nerve -i 



Mental nerve 



FIG. 37. The Cutaneous Branches of the Trigeminal Nerve. 



to the skin of the anterior part of the side of the nose 

 (Fig. 37). 



The Ciliary Ganglion lies in the orbital fat between the 

 optic nerve and the lateral rectus muscle. It receives a short 

 motor root from the oculo-motor, destined for the sphincter 

 iridis and the ciliary muscle (p. 213), and a long root from the 

 naso-ciliary nerve. The long root conveys some of the sym- 



